Generally speaking a mixed economy is "<span>B-a combination of individual choice and government protection," although the balance is often more tilted towards individual choice. </span>
I suggest you just write things are the *key* details in the Declaration of Independence, but it's best to get some background information first.
Answer:Progressive Era reformers sought to harness the power of the federal government to eliminate unethical and unfair business practices, reduce corruption, and counteract the negative social effects of industrialization.